diff --git a/rtl/os2/Makefile.fpc b/rtl/os2/Makefile.fpc
index 53e8cd2710..2572cbc152 100644
--- a/rtl/os2/Makefile.fpc
+++ b/rtl/os2/Makefile.fpc
@@ -9,7 +9,7 @@ main=rtl
 loaders=prt0 prt1
 units=$(SYSTEMUNIT) objpas strings \
       ports os2def doscalls moncalls kbdcalls moucalls viocalls \
-      pmbitmap pmwin pmgpi pmstddlg dive \
+      pmbitmap pmwin pmgpi pmstddlg pmhelp dive \
       dos crt objects printer \
       sysutils math typinfo varutils \
       charset ucomplex cpu mmx getopts heaptrc lineinfo dynlibs \